Cofferdam device capable of resisting to high wind waves and intercepting bloom-forming cyanobacteria

A technology of algal blooms and cofferdams, which is applied in the cleaning of open water surfaces, water conservancy projects, construction, etc., can solve the problems of algae bloom accumulation and low cost, and achieve strong wind and wave resistance, high work efficiency, and good stability Effect

Inactive Publication Date: 2013-10-23
INST OF AQUATIC LIFE ACAD SINICA
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a cofferdam device for resisting high wind and waves to intercept algal blooms. The cofferdam device has simple struct

Method used

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  • Cofferdam device capable of resisting to high wind waves and intercepting bloom-forming cyanobacteria

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0012] according to figure 1 It can be seen that, using the foamed floating body 1, the floating body wrapping cloth 2 is made of corrosion-resistant high-strength synthetic rubber cloth on the outside of the floating body 1, and 500mm is left under the floating body wrapping cloth as the skirt curtain 3, and a high-strength nylon belt is arranged in the middle of the skirt curtain 3 Or the rope is used as the reinforcing band 4, and the reinforcing bands 4 are connected by metal hook joints 5. Iron chains are used as iron chains 6 at the lower end of the skirt curtain 3, and steel plates are used to fix the joints at both ends of each cofferdam. Two rows of Φ1.5cm holes are punched on the steel plates, and five holes 7 are punched in each row, and nylon ropes are used to penetrate the holes. Connect in, then connect with the metal hook connector 5 on the reinforceme...

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Abstract

The invention discloses a cofferdam device capable of resisting to high wind waves and intercepting bloom-forming cyanobacteria. The cofferdam device comprises foam floating bodies, wrapping cloth, skirt curtains and reinforcing bands, rubber wrapping cloth is used as the floating body wrapping cloth outside the floating bodies, the skirt curtains are reserved on the underside of the floating body wrapping cloth, a nylon strap or rope serving as one reinforcing band is arranged in the middle of each skirt curtain, every two reinforcing bands are connected by a metal hook connector, an iron chain is arranged at the lower end of each skirt curtain, the joints of two ends of each cofferdam are fixed by steel plates, two rows of holes are punched in each steel plate, the nylon ropes penetrate into the holes for connection, then the metal hook connectors on the reinforcing bands are used for connecting the two ends, each cofferdam is connected with iron anchors at the two connectors by anchor lines, the iron anchors are thrown into a lakebed, and the anchor lines on the iron anchors are integrally connected with each cofferdam. The cofferdam device is simple in structure, easy and simple to operate, high in efficiency of capturing the bloom-forming cyanobacteria and low in cost, water cofferdams are high in wind-wave-resisting capability, good in stability, convenient to operate and suitable for being arranged underwater for a long term, and the problem of mass cyanobacterial bloom accumulation in bloom-forming cyanobacteria harvest is solved.

Description

technical field [0001] The invention relates to the technical field of bloom cyanobacteria harvesting, in particular to a cofferdam device for resisting high wind and waves to intercept bloom cyanobacteria, especially suitable for rounding up and collecting bloom cyanobacteria in lakes and reservoirs after outbreaks. Background technique [0002] In recent years, due to the rapid development of industry, the rapid increase of population, the aggravation of urbanization, and the severe environmental pollution, the degree of eutrophication in many water bodies in my country has intensified, causing a large number of algae, especially blue-green algae, and some water bodies even have serious blue-green algal blooms. Hua, directly affects the quality and availability of water bodies, and endangers the health of livestock and human beings. A large number of cyanobacterial blooms in lakes and reservoirs in the middle and lower reaches of the Yangtze River occurred from April to Oct...

Claims

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Application Information

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IPC IPC(8): E02B15/06
Inventor 沈银武李敦海李根保刘永定
Owner INST OF AQUATIC LIFE ACAD SINICA
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